Large-scale testing (Phase 3)Ended earlyNCT05247307What this trial is testingEfficacy of the Infusion of Donor Plasma in COVID-19 InfectionWho this might be right forCOVID-19 Hospital Galdakao-Usansolo 93
Not applicableUnknownNCT05186571What this trial is testingMyopericarditis After Messenger Ribonucleic Acid (mRNA) COVID-19 Vaccination in Children 5-11 Years OldWho this might be right forMyopericarditisMyocarditisVaccination; Complications+2 more Rigshospitalet, Denmark 350,000
Not applicableUnknownNCT04568044What this trial is testingEvaluation of Humoral Immunity Following COVID-19 in PregnancyWho this might be right forCOVID-19Pregnancy RelatedInfluenza, Human Imperial College London 128
Not applicableStudy completedNCT04951336What this trial is testingRCT of Mushroom Based Natural Product to Enhance Immune Response to COVID-19 VaccinationWho this might be right forCOVID-19 Vaccination University of California, San Diego 90
Early research (Phase 1)UnknownNCT05007275What this trial is testingDetermine Safety and Immunogenicity of the Candidate COVID-19 Vaccine AZD1222 Delivered by Aerosol in Healthy Adult VolunteersWho this might be right forCovid19SARS-CoV-2 Infection Imperial College London 28
Post-approval studies (Phase 4)Study completedNCT04852861What this trial is testingCOVID-19: Safety and Immunogenicity of a Reduced Dose of the BioNTech/Pfizer BNT162b2 VaccineWho this might be right forCovid19 Sciensano 145
Not applicableStudy completedNCT05685901What this trial is testingOropharyngeal Immunoprophylaxis With High Polyphenolic Olive Oil as Clinical Spectrum Mitigating Factor in COVID-19.Who this might be right forCOVID-19 Hospital General Nuestra Señora del Prado 88
Testing effectiveness (Phase 2)Study completedNCT06695130What this trial is testingStudy of a Combination Vaccine Comprised of Different Recombinant Spike Antigen Levels of a Matrix-M Adjuvanted Recombinant COVID-19 Vaccine and Recombinant Influenza Vaccine in Adult Participants 50 Years of Age and OlderWho this might be right forCOVID-19 ImmunizationInfluenza Immunization Sanofi 980
Testing effectiveness (Phase 2)Study completedNCT04761822What this trial is testingCOVID19 SARS Vaccinations: Systemic Allergic Reactions to SARS-CoV-2 VaccinationsWho this might be right forSARS-CoV InfectionCOVID-19Allergic Reaction+1 more National Institute of Allergy and Infectious Diseases (NIAID) 746
Not applicableStudy completedNCT05612373What this trial is testingMessage Offering Free Round Trip Ride-Share Ride to PharmacyWho this might be right forCOVID-19 University of Pennsylvania 300,000
Not applicableStudy completedNCT05028881What this trial is testingCOVID-19 Serology in People Living with HIV in Hong KongWho this might be right forHIV InfectionsSARS-CoV-2 InfectionVaccination; Infection Chinese University of Hong Kong 488
Early research (Phase 1)UnknownNCT05839236What this trial is testingCOVID-19 Vaccination Detoxification in LDL-CWho this might be right forCOVID-19 Stress SyndromeCOVID-19 Vaccine Adverse ReactionCOVID-19-Associated Thromboembolism+3 more Yang I. Pachankis 1
Post-approval studies (Phase 4)Study completedNCT05343871What this trial is testingImmunogenicity and Safety of Fractional Booster Dose of COVID-19 Vaccines Available for Use in Pakistan/Brazil: A Phase 4 Dose-optimizing TrialWho this might be right forCOVID-19 Albert B. Sabin Vaccine Institute 2,354
Large-scale testing (Phase 3)UnknownNCT05534035What this trial is testingBooster Superiority Study of PTX-COVID19-B Compared to Vaxzevria® in Adults Aged 18 Years and OlderWho this might be right forSARS-CoV-2 Infection Everest Medicines (Singapore) Pte. Ltd. 450
Post-approval studies (Phase 4)Study completedNCT05030974What this trial is testingRECOVAC Repeated Vaccination StudyWho this might be right forCovid19Kidney DiseasesVaccine Response Impaired+1 more University Medical Center Groningen 336
Early research (Phase 1)Study completedNCT04591717What this trial is testingCOVID-19 Vaccination Using a 2nd Generation (E1/E2B/E3-Deleted) Adenoviral-COVID-19 in Normal Healthy VolunteersWho this might be right forCOVID-19 ImmunityBio, Inc. 34
Large-scale testing (Phase 3)Study completedNCT05077176What this trial is testingPhase 3 Booster Vaccination Against COVID-19Who this might be right forCOVID-19Sars-CoV-2 Infection Health Institutes of Turkey 4,340
Not applicableStudy completedNCT04352582What this trial is testingCOVID-19 and Vaccination AttitudesWho this might be right forCOVID-19 University Hospital, Geneva 1,194
Testing effectiveness (Phase 2)Study completedNCT06695117What this trial is testingStudy of a Combination Vaccine Comprised of Different Recombinant Spike Antigen Levels of a Matrix-M Adjuvanted Recombinant COVID-19 Vaccine and High-Dose Inactivated Influenza Vaccine in Adult Participants 50 Years of Age and OlderWho this might be right forCOVID-19 ImmunizationInfluenza Immunization Sanofi 980
Not applicableStudy completedNCT04841785What this trial is testingRECOVAC - Long Term Efficacy and Safety of COVID-19 (SARS-CoV-2) Vaccination in Kidney Disease PatientsWho this might be right forCovid19SARS-CoV InfectionChronic Kidney Diseases University Medical Center Groningen 4,868